When you receive an email, you receive more than just the message. The email comes with headers that carry important information that can tell where the email was sent from and possibly who sent it. For that, youwould need to find the IP address of the sender. The tutorial below can help you find the IP address of the sender. Note that this will not work if the sender uses anonymous proxy servers.

Finding IP address in Gmail

1. Log into your Gmail account with your username and password.

2. Open the mail.

3. To display the headers,

* Click on More options corresponding to that thread. You should get a bunchof links.

* Click on Show original

4. You should get headers like this:

Gmail headers : name

Look for Received: from followed by a few hostnames and an IP address between square brackets. In this case,it is

65.119.112.245.

That is be the IP address of the sender!

5. Track the IP address of the sender

Finding IP address in Yahoo! Mail

1. Log into your Yahoo! mail with your username and password.

2. Click on Inbox or whichever folder you have stored your mail.

3. Open the mail.

4. If you do not see the headers above the mail message, your headers are not displayed. To display the headers,

* Click on Options on the top-right corner

* In the Mail Options page, click on General Preferences

* Scroll down to Messages where you have the Headers option

* Make sure that Show all headers on incoming messages is selected

* Click on the Save button

* Go back to the mails and open that mail

5. You should see similar headers like this:

Yahoo! headers : name

Look for Received: from followed by the IP address between square brackets [ ]. Here, it is 202.65.138.109.

That is be the IP address of the sender!

6. Track the IP address of the sender

Finding IP address in Hotmail

1. Log into your Hotmail account with your username and password.

2. Click on the Mail tab on the top.

3. Open the mail.

4. If you do not see the headers above the mail message, your headers are not displayed. To display the headers,

* Click on Options on the top-right corner

* In the Mail Options page, click on Mail Display Settings

* In Message Headers, make sure Advanced option is checked

* Click on Ok button

* Go back to the mails and open that mail

5. If you find a header with X-Originating-IP: followed by an IP address, that is the sender's IP address

Hotmail headers : name ,In this case the IP address of the sender is [68.34.60.59]. Jump to step 9.

6. If you find a header with Received: from followed by a Gmail proxy like this

Hotmail headers : name

Look for Received: from followed by IP address within square brackets[].

In this case, the IP address of the sender is [69.140.7.58]. Jump to step 9.

7. Or else if you have headers like this

Hotmail headers : name

Look for Received: from followed by IP address within square brackets[].

In this case, the IP address of the sender is [61.83.145.129] (Spam mail).Jump to step 9.

8. * If you have multiple Received: from headers, eliminate the ones that have proxy.anyknownserver.com.